Finding the Fourth Proportional to 171,471.63, 236,626.46 and 93,946.74
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Solution
The fourth proportional to 171,471.63, 236,626.46 and 93,946.74 is: 129,644.09
Step by Step Solution
- Step 1: Write the proportion equation
171,471.63 : 236,626.46 = 93,946.74 : x - Step 2: Convert to fraction form
171,471.63/236,626.46 = 93,946.74/x - Step 3: Cross multiply
171,471.63x = 236,626.46 × 93,946.74 - Step 4: Simplify right side
171,471.63x = 22,230,284,038.41 - Step 5: Solve for x
x = 22,230,284,038.41/171,471.63 - Step 6: Final answer
x = 129,644.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.